8216169 has 8 divisors (see below), whose sum is σ = 11797632. Its totient is φ = 5056080.

The previous prime is 8216161. The next prime is 8216179. The reversal of 8216169 is 9616128.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8216169 - 2³ = 8216161 is a prime.

It is a super-2 number, since 2×8216169² = 135010866073122, which contains 22 as substring.

8216169 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8216161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105297 + ... + 105374.

It is an arithmetic number, because the mean of its divisors is an integer number (1474704).

Almost surely, 2^8216169 is an apocalyptic number.

It is an amenable number.

8216169 is a deficient number, since it is larger than the sum of its proper divisors (3581463).

8216169 is a wasteful number, since it uses less digits than its factorization.

8216169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210687.

The product of its digits is 5184, while the sum is 33.

The square root of 8216169 is about 2866.3860521570. The cubic root of 8216169 is about 201.7854222417.

It can be divided in two parts, 8216 and 169, that added together give a triangular number (8385 = T₁₂₉).

The spelling of 8216169 in words is "eight million, two hundred sixteen thousand, one hundred sixty-nine".